.
Thread 1 (process 1289):
#0  0x00007fd97c2a2b2c in gtk_container_add ()
   from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#1  0x00007fd98964508e in ?? () from /usr/lib/libQtGui.so.4
No symbol table info available.
#2  0x00007fd98a3ed95d in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#3  0x00007fd986bcb8ca in getenv () from /lib/libc.so.6
No symbol table info available.
#4  0x00007fd989dcbc00 in ?? () from /usr/lib/libQtGui.so.4
No symbol table info available.
#5  0x00007fff5fb62160 in ?? ()
No symbol table info available.
#6  0x00007fd9892a6657 in QApplication::font () from /usr/lib/libQtGui.so.4
No symbol table info available.
#7  0x00007fd98a7f8760 in vtable for QEventTransition ()
   from /usr/lib/libQtCore.so.4
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.